package com.zenithmind.coding.service.impl;

import com.zenithmind.coding.pojo.vo.CodeRunResultVO;
import com.zenithmind.coding.service.CodeAnalysisService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

/**
 * 代码分析服务实现类
 * 
 * @author ZenithMind Team
 * @since 2025-01-09
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class CodeAnalysisServiceImpl implements CodeAnalysisService {

    @Override
    public CodeRunResultVO.CodeQualityAnalysis analyzeCodeQuality(String language, String sourceCode) {
        log.info("分析代码质量: language={}, codeLength={}", language, sourceCode.length());

        CodeRunResultVO.CodeQualityAnalysis analysis = new CodeRunResultVO.CodeQualityAnalysis();
        analysis.setQualityScore(85);
        analysis.setCyclomaticComplexity(5);
        analysis.setReadabilityScore(80);
        analysis.setLineCount(sourceCode.split("\n").length);
        analysis.setEffectiveLineCount(sourceCode.split("\n").length - 5);
        analysis.setCommentLineCount(2);
        analysis.setBlankLineCount(3);
        analysis.setStyleScore(85);

        return analysis;
    }

    @Override
    public Double detectCodeSimilarity(String language, String sourceCode1, String sourceCode2) {
        log.info("检测代码相似度: language={}", language);
        return 0.75;
    }

    @Override
    public Boolean detectPlagiarism(String language, String sourceCode, Double threshold) {
        log.info("检测代码抄袭: language={}", language);
        return false;
    }

    @Override
    public Integer analyzeComplexity(String language, String sourceCode) {
        log.info("分析代码复杂度: language={}", language);
        return 5;
    }

    @Override
    public Object checkCodeStyle(String language, String sourceCode) {
        log.info("检查代码风格: language={}", language);
        Map<String, Object> result = new HashMap<>();
        result.put("score", 85);
        result.put("issues", new String[0]);
        return result;
    }

    @Override
    public Object checkSecurity(String language, String sourceCode) {
        log.info("检查代码安全性: language={}", language);
        Map<String, Object> result = new HashMap<>();
        result.put("score", 90);
        result.put("vulnerabilities", new String[0]);
        return result;
    }

    @Override
    public Object analyzePerformance(String language, String sourceCode) {
        log.info("分析代码性能: language={}", language);
        Map<String, Object> result = new HashMap<>();
        result.put("timeComplexity", "O(n)");
        result.put("spaceComplexity", "O(1)");
        return result;
    }

    @Override
    public Object getCodeSuggestions(String language, String sourceCode) {
        log.info("获取代码建议: language={}", language);
        Map<String, Object> result = new HashMap<>();
        result.put("suggestions", new String[]{"添加注释", "优化算法"});
        return result;
    }

    @Override
    public Object analyzeCodeStructure(String language, String sourceCode) {
        log.info("分析代码结构: language={}", language);
        Map<String, Object> result = new HashMap<>();
        result.put("classes", 1);
        result.put("methods", 3);
        result.put("variables", 5);
        return result;
    }

    @Override
    public Object detectCodeSmells(String language, String sourceCode) {
        log.info("检测代码异味: language={}", language);
        Map<String, Object> result = new HashMap<>();
        result.put("smells", new String[0]);
        result.put("severity", "低");
        return result;
    }

    @Override
    public Object calculateCodeMetrics(String language, String sourceCode) {
        log.info("计算代码度量: language={}", language);
        Map<String, Object> result = new HashMap<>();
        result.put("linesOfCode", sourceCode.split("\n").length);
        result.put("cyclomaticComplexity", 5);
        result.put("maintainabilityIndex", 80);
        return result;
    }

    @Override
    public Object generateCodeReport(String language, String sourceCode, String reportType) {
        log.info("生成代码报告: language={}, reportType={}", language, reportType);
        Map<String, Object> report = new HashMap<>();
        report.put("reportType", reportType);
        report.put("language", language);
        report.put("timestamp", System.currentTimeMillis());
        
        switch (reportType.toLowerCase()) {
            case "quality":
                report.put("quality", analyzeCodeQuality(language, sourceCode));
                break;
            case "security":
                report.put("security", checkSecurity(language, sourceCode));
                break;
            case "performance":
                report.put("performance", analyzePerformance(language, sourceCode));
                break;
            case "full":
                report.put("quality", analyzeCodeQuality(language, sourceCode));
                report.put("security", checkSecurity(language, sourceCode));
                report.put("performance", analyzePerformance(language, sourceCode));
                report.put("structure", analyzeCodeStructure(language, sourceCode));
                report.put("metrics", calculateCodeMetrics(language, sourceCode));
                break;
            default:
                report.put("error", "不支持的报告类型: " + reportType);
        }
        
        return report;
    }
}
